CLUSTER, noun 1. A bunch; a number of things of the same kind growing or joined together; a knot; as a cluster of raisins. 2. A number of individuals or things collected or gathered into a close body; as a cluster of bees; a cluster of people. 3. A number of things situated near each other; as a cluster of governments in Italy. CLUSTER, verb intransitive 1. To grow in clusters; to gather or unite in a bunch, or bunches; as, clustering grapes. 2. To form into flakes; as, clustering snow. 3. To collect into flocks or crowds. CLUSTER, verb transitive To collect into a bunch or close body.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI